1102845742 has 4 divisors (see below), whose sum is σ = 1654268616. Its totient is φ = 551422870.

The previous prime is 1102845721. The next prime is 1102845749. The reversal of 1102845742 is 2475482011.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1102845698 and 1102845707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102845749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275711434 + ... + 275711437.

It is an arithmetic number, because the mean of its divisors is an integer number (413567154).

Almost surely, 2^1102845742 is an apocalyptic number.

1102845742 is a deficient number, since it is larger than the sum of its proper divisors (551422874).

1102845742 is an equidigital number, since it uses as much as digits as its factorization.

1102845742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551422873.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 1102845742 is about 33209.1213674797. The cubic root of 1102845742 is about 1033.1695316032.

The spelling of 1102845742 in words is "one billion, one hundred two million, eight hundred forty-five thousand, seven hundred forty-two".